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Chemical Properties of Boron Family

Which of the ...

Question

Which of the following oxides is strongly basic?

T i_{2} O

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B_{2} O_{3}

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A l_{2} O_{3}

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G a_{2} O_{3}

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Solution

The correct option is A $T i_{2} O$
On moving down the group, the nature of the oxides of group 13 elements changes from weakly acidic to amphoteric and amphoteric to basic nature. $T i_{2} O$ in aqueous solution gives $T i O H$ which soluble and a strong base.

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Similar questions

I . T l_{2} O

I I . A l_{2} O_{3}

I I I . T l_{2} O_{3}

I V . G a_{2} O_{3}

B_{2} O_{3}, A l_{2} O_{3}

(a) Classify following oxides as neutral, acidic, basic or amphoteric:

$C O, B_{2} O_{3}, S i O_{2}, C O_{2}, A l_{2} O_{3}, P b O_{2}, T l_{2} O_{3}$

(b)Write suitable chemical equations to show their nature.

S_{1}

(B_{2} O_{3})

(S i O_{2})

S_{2}

(A l_{2} O_{3})

(G a_{2} O_{3})

S_{3}

(l n_{2} O_{3})

(T l_{2} O_{3})

S_{4}

(G e O_{2})

(S n O_{2})

B_{2} O_{3}, A l_{2} O_{3}

A l_{2} O_{3}

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